类的使用
com.alibaba.csp.sentinel.context.Context

使用Context的程序包

程序包	说明
com.alibaba.csp.sentinel
com.alibaba.csp.sentinel.context
com.alibaba.csp.sentinel.metric.extension.callback
com.alibaba.csp.sentinel.slotchain
com.alibaba.csp.sentinel.slots.block.authority
com.alibaba.csp.sentinel.slots.block.degrade
com.alibaba.csp.sentinel.slots.block.degrade.circuitbreaker
com.alibaba.csp.sentinel.slots.block.flow
com.alibaba.csp.sentinel.slots.clusterbuilder
com.alibaba.csp.sentinel.slots.logger
com.alibaba.csp.sentinel.slots.nodeselector
com.alibaba.csp.sentinel.slots.statistic
com.alibaba.csp.sentinel.slots.system

com.alibaba.csp.sentinel中Context的使用

声明为Context的com.alibaba.csp.sentinel中的字段

修饰符和类型	字段	说明
protected Context	CtEntry.context

类型参数类型为Context的com.alibaba.csp.sentinel中的字段

修饰符和类型	字段	说明
protected LinkedList<BiConsumer<Context,Entry>>	CtEntry.exitHandlers

返回Context的com.alibaba.csp.sentinel中的方法

修饰符和类型	方法	说明
Context	AsyncEntry.getAsyncContext()

参数类型为Context的com.alibaba.csp.sentinel中的方法

修饰符和类型	方法	说明
static void	Tracer.traceContext(Throwable e, int count, Context context)	已过时。
static void	Tracer.traceContext(Throwable e, Context context)	Trace provided Throwable to current entry of given entrance context.

类型变量类型为Context的com.alibaba.csp.sentinel中的方法参数

修饰符和类型	方法	说明
abstract void	Entry.whenTerminate(BiConsumer<Context,Entry> handler)	Like CompletableFuture since JDK 8, it guarantees specified handler is invoked when this entry terminated (exited), no matter it's blocked or permitted.

com.alibaba.csp.sentinel.context中Context的使用

com.alibaba.csp.sentinel.context中Context的子类

修饰符和类型	类	说明
class	NullContext	If total Context exceed Constants.MAX_CONTEXT_NAME_SIZE, a NullContext will get when invoke ContextUtil.enter(), means no rules checking will do.

返回Context的com.alibaba.csp.sentinel.context中的方法

修饰符和类型	方法	说明
static Context	ContextUtil.enter(String name)	Enter the invocation context, which marks as the entrance of an invocation chain.
static Context	ContextUtil.enter(String name, String origin)	Enter the invocation context, which marks as the entrance of an invocation chain.
static Context	ContextUtil.getContext()	Get Context of current thread.
static Context	Context.newAsyncContext(DefaultNode entranceNode, String name)	Create a new async context.
Context	Context.setCurEntry(Entry curEntry)
Context	Context.setCurNode(Node node)
Context	Context.setOrigin(String origin)
protected static Context	ContextUtil.trueEnter(String name, String origin)

参数类型为Context的com.alibaba.csp.sentinel.context中的方法

修饰符和类型	方法	说明
static boolean	ContextUtil.isDefaultContext(Context context)	Check if provided context is a default auto-created context.
static void	ContextUtil.runOnContext(Context context, Runnable f)	Execute the code within provided context.

com.alibaba.csp.sentinel.metric.extension.callback中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.metric.extension.callback中的方法

修饰符和类型	方法	说明
void	MetricEntryCallback.onBlocked(BlockException ex, Context context, ResourceWrapper resourceWrapper, DefaultNode param, int count, Object... args)
void	MetricExitCallback.onExit(Context context, ResourceWrapper rw, int acquireCount, Object... args)
void	MetricEntryCallback.onPass(Context context, ResourceWrapper rw, DefaultNode param, int count, Object... args)

com.alibaba.csp.sentinel.slotchain中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slotchain中的方法

修饰符和类型	方法	说明
void	DefaultProcessorSlotChain.entry(Context context, ResourceWrapper resourceWrapper, Object t, int count, boolean prioritized, Object... args)
void	ProcessorSlot.entry(Context context, ResourceWrapper resourceWrapper, T param, int count, boolean prioritized, Object... args)	Entrance of this slot.
void	DefaultProcessorSlotChain.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)
void	ProcessorSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)	Exit of this slot.
void	AbstractLinkedProcessorSlot.fireEntry(Context context, ResourceWrapper resourceWrapper, Object obj, int count, boolean prioritized, Object... args)
void	ProcessorSlot.fireEntry(Context context, ResourceWrapper resourceWrapper, Object obj, int count, boolean prioritized, Object... args)	Means finish of ProcessorSlot.entry(Context, ResourceWrapper, Object, int, boolean, Object...).
void	AbstractLinkedProcessorSlot.fireExit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)
void	ProcessorSlot.fireExit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)	Means finish of ProcessorSlot.exit(Context, ResourceWrapper, int, Object...).
void	ProcessorSlotEntryCallback.onBlocked(BlockException ex, Context context, ResourceWrapper resourceWrapper, T param, int count, Object... args)
void	ProcessorSlotExitCallback.onExit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)
void	ProcessorSlotEntryCallback.onPass(Context context, ResourceWrapper resourceWrapper, T param, int count, Object... args)

com.alibaba.csp.sentinel.slots.block.authority中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.block.authority中的方法

修饰符和类型	方法	说明
void	AuthoritySlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	AuthoritySlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.block.degrade中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.block.degrade中的方法

修饰符和类型	方法	说明
void	DefaultCircuitBreakerSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	DegradeSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	DefaultCircuitBreakerSlot.exit(Context context, ResourceWrapper r, int count, Object... args)
void	DegradeSlot.exit(Context context, ResourceWrapper r, int count, Object... args)

com.alibaba.csp.sentinel.slots.block.degrade.circuitbreaker中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.block.degrade.circuitbreaker中的方法

修饰符和类型	方法	说明
protected boolean	AbstractCircuitBreaker.fromOpenToHalfOpen(Context context)
void	CircuitBreaker.onRequestComplete(Context context)	Record a completed request with the context and handle state transformation of the circuit breaker.
void	ExceptionCircuitBreaker.onRequestComplete(Context context)
void	ResponseTimeCircuitBreaker.onRequestComplete(Context context)
boolean	AbstractCircuitBreaker.tryPass(Context context)
boolean	CircuitBreaker.tryPass(Context context)	Acquires permission of an invocation only if it is available at the time of invoking.

com.alibaba.csp.sentinel.slots.block.flow中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.block.flow中的方法

修饰符和类型	方法	说明
boolean	FlowRuleChecker.canPassCheck(FlowRule rule, Context context, DefaultNode node, int acquireCount)
boolean	FlowRuleChecker.canPassCheck(FlowRule rule, Context context, DefaultNode node, int acquireCount, boolean prioritized)
void	FlowRuleChecker.checkFlow(Function<String,Collection<FlowRule>> ruleProvider, ResourceWrapper resource, Context context, DefaultNode node, int count, boolean prioritized)
void	FlowSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	FlowSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.clusterbuilder中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.clusterbuilder中的方法

修饰符和类型	方法	说明
void	ClusterBuilderSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	ClusterBuilderSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.logger中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.logger中的方法

修饰符和类型	方法	说明
void	LogSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode obj, int count, boolean prioritized, Object... args)
void	LogSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.nodeselector中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.nodeselector中的方法

修饰符和类型	方法	说明
void	NodeSelectorSlot.entry(Context context, ResourceWrapper resourceWrapper, Object obj, int count, boolean prioritized, Object... args)
void	NodeSelectorSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.statistic中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.statistic中的方法

修饰符和类型	方法	说明
void	StatisticSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	StatisticSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)

com.alibaba.csp.sentinel.slots.system中Context的使用

参数类型为Context的com.alibaba.csp.sentinel.slots.system中的方法

修饰符和类型	方法	说明
void	SystemSlot.entry(Context context, ResourceWrapper resourceWrapper, DefaultNode node, int count, boolean prioritized, Object... args)
void	SystemSlot.exit(Context context, ResourceWrapper resourceWrapper, int count, Object... args)